From 85f1c033c4a489e3e38cd1af0c0495b273f2e727 Mon Sep 17 00:00:00 2001
From: Chris Wells <chris@mathematicaster.org>
Date: Sun, 22 Feb 2026 22:30:47 -0600
Subject: Initial commit

---
 module.nix | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 module.nix

(limited to 'module.nix')

diff --git a/module.nix b/module.nix
new file mode 100644
index 0000000..8cd81eb
--- /dev/null
+++ b/module.nix
@@ -0,0 +1,65 @@
+{
+  lib,
+  flake-parts-lib,
+  ...
+}:
+let
+  inherit (lib) mkOption mkPackageOption mkEnableOption types;
+  inherit (flake-parts-lib) mkPerSystemOption;
+in {
+  options.perSystem = mkPerSystemOption ({ config, ... }: {
+    options = {
+      texShell = {
+        scheme = mkPackageOption pkgs "texliveSmall" {};
+        extraPackages = mkOption {
+          type = types.functionTo (types.listOf types.package);
+          description = "Extra packages to add to the texlive scheme";
+          default = _: [];
+        };
+        latexmk = {
+          enable = mkEnableOption "latexmk";
+          rc = mkOption {
+            type = types.lines;
+            description = "contents of the .latexmkrc file";
+          };
+          rcFile = mkOption {
+            type = types.path;
+            default = pkgs.writeText "latexmkrc" config.texShell.latexmk.rc;
+            description = "the .latexmkrc file";
+          };
+          _wrapper = mkOption {
+            type = types.functionTo types.package;
+            readOnly = true;
+            internal = true;
+            default = tex: pkgs.symlinkJoin {
+              inherit (tex) name;
+              nativeBuildInputs = [
+                pkgs.makeWrapper
+              ];
+              paths = [
+                tex
+              ];
+              postBuild = ''
+                wrapProgram $out/bin/latexmk --add-flags "-r" --add-flags "${config.texShell.latexmk.rcFile}"
+              '';
+            };
+          };
+        };
+      };
+    };
+
+    config = {
+      texShell.extraPackages = mkIf config.texShell.latexmk.enable (ps: [ ps.latexmk ]);
+
+      packages.texShell = let
+        wrapper = if config.texShell.latexmk.enable then config.texShell.latexmk._wrapper else x: x;
+      in wrapper (config.texShell.scheme.withPackages config.texShell.scheme.extraPackages);
+
+      devShells.texShell = pkgs.makeShell {
+        nativeBuildInputs = [
+          config.packages.texShell
+        ];
+      };
+    };
+  });
+}
-- 
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